Environment: g=-9.8, F_drag=0.0
Ground: e = 0.4
BronzeAntiqueSphere: d = 2.0, e = 0.45, h = 13.0, v_0 = 0.0
AgingCopperSphere: d = 2.0, e = 0.5, h = 16.0, v_0 = 0.0