Increase hurry up penalty

Project/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockEnvController.cs

         }
 
         //Hurry Up Penalty
-        m_AgentGroup.AddGroupReward(-0.5f / MaxEnvironmentSteps);
+        m_AgentGroup.AddGroupReward(-1.0f / MaxEnvironmentSteps);
     }
 
     /// <summary>