bouncier ball

Project/Assets/ML-Agents/Examples/Tennis/Materials/Physic_Materials/ballMat.physicMaterial

   m_Name: ballMat
   dynamicFriction: 0
   staticFriction: 0
-  bounciness: 0.8
+  bounciness: 1
   frictionCombine: 1
   bounceCombine: 3