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.
2001
2000
1988
1991
1992
2019
1986
1990
2002
2017
1997
1969
2009
2005
1966
1984
1967
2014