clear ui samples and fix speedo

Assets/Src/ShipPhysics.cs

@@ -4,18 +4,20 @@ public class ShipPhysics : MonoBehaviour {
     ShipControls ship;
 
     float maxDmg = 150f;
-    float maxImpulse = 50f;
+    float maxImpulse = 5000f;
 
     void Awake() {
        ship = GetComponent<ShipControls>();
     }
 
     void OnCollisionEnter(Collision collision) {
+        float totalForce = collision.impulse.magnitude / Time.fixedDeltaTime;
+
         Debug.Log($"mag {collision.relativeVelocity.magnitude}");
-        Debug.Log($"impulse {collision.impulse} {collision.impulse.magnitude}");
+        Debug.Log($"impulse {collision.impulse} {collision.impulse.magnitude} {totalForce}");
 
         // if (collision.relativeVelocity.magnitude > maxDmg) {
-        if (collision.impulse.magnitude > maxImpulse) {
+        if (totalForce > maxImpulse) {
             Debug.Log("Ddddestroyed by" + collision.gameObject.name);
             ship.Respawn();
             return;