Turn on the view for the Offloaded spring, Terrain and toggle on depth colour again; Show > Shapes.

The figure below show the horizontal- (Displacement X [m]) and vertical (Displacement Z [m]) displacement.

The feces will impact the bottom where the curve breaks. Then it will slide and downwards to a location where it finally will stop. If one would like the falling object to stop at the impact point, one can further increase the dynamic horizontal friction.