Use defined gravity constant

Assets/Scripts/Interceptors/Micromissile.cs

@@ -4,7 +4,7 @@ using UnityEngine;
 
 public class Micromissile : Missile
 {
-    [SerializeField] private float _navigationGain = 5f; // Typically 3-5
+    [SerializeField] private float _navigationGain = 3f; // Typically 3-5
 
     private Vector3 _previousLOS;
     private Vector3 _accelerationCommand;