Step size is a consequential parameter

Ball drop simulation in PyBullet, with step size = a) 1/24000 s, b) 1/2400 s, c) 1/240 s (PyBullet default) and d) 1/24 s.

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The usual failure mode associated with step size, and the on most likely to be checked when setting up a numerical simulation, is catastrophic failure from a step size too large. Step size here is 1/2.4 seconds, 100 times larger than the PyBullet default.