How to remove addforce effect

Hi i make a throw basketball mechanic. The ball shouldn't go higher than 2.5f on y axis after it is throwed and hit the ground. I accomplish this kind of but ball hits the ground first time after it is throwed then bounces and stays(like hanged on air) in the 2.5f on y axis for a short period(like half to one second) Here is my code:

using System.Collections; using System.Collections.Generic; using UnityEngine; using System;

public class Ball : MonoBehaviour { public bool needClamp;

 public float forwardForce;
 public float upwardForce;
 public bool isShoot;
 public Rigidbody rb;

 private Vector2 fingerDownPos;
 private Vector2 fingerUpPos;

 public bool detectSwipeAfterRelease = false;

 public float SWIPE_THRESHOLD = 20f;



 // Start is called before the first frame update
 void Start()
 {
     Clamp();
 }

 // Update is called once per frame
 void Update()
 {

     if (needClamp && isShoot)
     {
         rb.velocity = Vector3.zero;
         rb.angularVelocity = Vector3.zero;
     }

     Vector3 position = transform.position;

     position.y = Mathf.Clamp(position.y, 0, 10f);

     if (needClamp)
     {
         position.y = Mathf.Clamp(position.y, 0, 2.5f);
     }
     
     transform.position = position;

     foreach (Touch touch in Input.touches)
     {
         if (touch.phase == TouchPhase.Began)
         {
             fingerUpPos = touch.position;
             fingerDownPos = touch.position;
         }

         //Detects Swipe while finger is still moving on screen
         if (touch.phase == TouchPhase.Moved)
         {
             if (!detectSwipeAfterRelease)
             {
                 fingerDownPos = touch.position;
                 DetectSwipe();
             }
         }

         //Detects swipe after finger is released from screen
         if (touch.phase == TouchPhase.Ended)
         {
             fingerDownPos = touch.position;
             DetectSwipe();
         }
     }


 }

 void Clamp()
 {
     needClamp = true;
 }

 void DetectSwipe()
 {

     if (VerticalMoveValue() > SWIPE_THRESHOLD && VerticalMoveValue() > HorizontalMoveValue())
     {
         Debug.Log("Vertical Swipe Detected!");
         if (fingerDownPos.y - fingerUpPos.y > 0)
         {
             OnSwipeUp();
         }
         else if (fingerDownPos.y - fingerUpPos.y < 0)
         {
             OnSwipeDown();
         }
         fingerUpPos = fingerDownPos;

     }
     else if (HorizontalMoveValue() > SWIPE_THRESHOLD && HorizontalMoveValue() > VerticalMoveValue())
     {
         Debug.Log("Horizontal Swipe Detected!");
         if (fingerDownPos.x - fingerUpPos.x > 0)
         {
             OnSwipeRight();
         }
         else if (fingerDownPos.x - fingerUpPos.x < 0)
         {
             OnSwipeLeft();
         }
         fingerUpPos = fingerDownPos;

     }
     else
     {
         Debug.Log("No Swipe Detected!");
     }
 }

 float VerticalMoveValue()
 {
     return Mathf.Abs(fingerDownPos.y - fingerUpPos.y);
 }

 float HorizontalMoveValue()
 {
     return Mathf.Abs(fingerDownPos.x - fingerUpPos.x);
 }

 void OnSwipeUp()
 {
     Shoot();
 }

 void Shoot()
 {
     if (!isShoot)
     {
         rb.AddForce(transform.forward * forwardForce, ForceMode.Impulse);
         rb.AddForce(transform.up * upwardForce, ForceMode.Impulse);
         isShoot = true;
         needClamp = false;
         
     }
 }

 private void OnCollisionEnter(Collision collision)
 {
     if (isShoot && collision.gameObject.CompareTag("Ground"))
     {
         needClamp = true;

         

         if (transform.position.y <= 2.5f)
         {
             isShoot = false;
         }
     }
 }

 void OnSwipeDown()
 {
     //Do something when swiped down
 }

 void OnSwipeLeft()
 {
     //Do something when swiped left
 }

 void OnSwipeRight()
 {
     //Do something when swiped right
 }

}

What should i fix? Could you help me please?