TO SQUASH: Added FruitBall prefab, animation, and script. Updated BallSpawner to spawn FruitBalls.

Assets/Scripts/Game/Balls/FruitBall.cs

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+using UnityEngine;
+
+public class FruitBall : MonoBehaviour
+{
+    private Animator animator;
+
+    public AudioClip spawnSound;
+
+    public AudioClip bounceSound;
+
+    public AudioClip hitSound;
+
+    private AudioSource audioSource;
+
+    private Vector2 speed;
+
+    private float speedMultiplier = 1.0f;
+
+    private float speedIncreaseTimer = 0.0f;
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        audioSource = GetComponent<AudioSource>();
+        animator = GetComponent<Animator>();
+        speed = new Vector2(Mathf.Sign(Random.Range(-1f, 1f)) * 0.0001f,
+                            Mathf.Sign(Random.Range(-1f, 1f)) * 0.0001f);
+
+        audioSource.PlayOneShot(spawnSound);
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        AnimatorStateInfo stateInfo = animator.GetCurrentAnimatorStateInfo(0);
+
+        if (stateInfo.IsName("FruitBallMove")) {
+            transform.Translate(speed * speedMultiplier);
+        }
+
+        if (speedIncreaseTimer > 0.0f)
+        {
+            speedIncreaseTimer -= Time.deltaTime;
+            if (speedIncreaseTimer <= 0.0f)
+            {
+                speedMultiplier = 1.0f; // Reset the speed multiplier to 1x
+            }
+        }
+    }
+
+    void OnCollisionEnter2D(Collision2D collision)
+    {
+        if (collision.gameObject.CompareTag("Wall") || collision.gameObject.CompareTag("Ball"))
+        {
+            ContactPoint2D contact = collision.GetContact(0);
+            speed = Vector2.Reflect(speed, contact.normal);
+
+            if (collision.gameObject.CompareTag("Ball"))
+            {
+                speedIncreaseTimer = 2.0f; // Reset the timer to 2 seconds
+                speedMultiplier = 50.0f; // Set the speed multiplier to 7x
+            }
+        }
+    }
+}

Assets/Scripts/Game/Balls/FruitBall.cs.meta

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+fileFormatVersion: 2
+guid: fc75c31387827597c81cd1228c0e31ac