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.
1963
1975
1980
2011
2010
2009
1955
1970
1953
2012
1974
2013
2015
1938
1930
1993
1957