Description: Dropping a rock onto a rock, rock bounces away after impact

Description: Dropping multiple rocks on to other rocks, slight rock movement at time of each impact

Description: Dropping rock on tarp covering dirt, rock makes a heavy impact on tarp

Description: Dropping rocks on other rocks, movement after impact

Description: Dropping rock on tarp covering dirt, rock makes heavy impact with a bounce

Description: Dropping rock on rocks, movement after impact

Description: Dropping rock on tarp covering dirt, rock bounces then settles after impact

Description: Dropping rock on tarp covering dirt, rock bounces and then settles

Description: Dropping rock on rocks, rock bounces away after impact

Description: Dropping rock on tarp covering dirt, rock settles after impact