Genuinely no clue what I changed

Assets/Sphere.prefab

@@ -96,7 +96,7 @@ SphereCollider:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 5537760923326018756}
-  m_Material: {fileID: 0}
+  m_Material: {fileID: 13400000, guid: 6dfee8f80a5790313b8a2338a8877577, type: 2}
   m_IncludeLayers:
     serializedVersion: 2
     m_Bits: 0
@@ -119,8 +119,8 @@ Rigidbody:
   m_GameObject: {fileID: 5537760923326018756}
   serializedVersion: 4
   m_Mass: 1
-  m_Drag: 2
-  m_AngularDrag: 0.05
+  m_Drag: 1
+  m_AngularDrag: 0
   m_CenterOfMass: {x: 0, y: 0, z: 0}
   m_InertiaTensor: {x: 1, y: 1, z: 1}
   m_InertiaRotation: {x: 0, y: 0, z: 0, w: 1}
@@ -150,5 +150,5 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   boomRadius: 10
-  boomForce: 20
+  boomForce: 18
   fakeUp: 0