The first part of this series by Norman McLaren deals only with tempo. It starts by showing the disc travelling in one move (1/24 of a second) from A to B, and progressively demonstrates slower and slower tempos.
1998
1990
2005
2010
1986
2000
1993
2001
2018
2019
2020
2025
2016
2006
2024
2014
2008