One of several films produced by Bruce and Katharine Cornwell for the Mathematical Association of America in the mid-1960s addressing topics in calculus. This film explores the mean value, and Rolle's theorem by using an engaging story about a speeding ticket.
This film is copyrighted by the MAA, not by Bruce and Katharine Cornwell. No rights to re-use are granted by Eric Cornwell in posting it here. Special thanks to Greg Javer for locating and converting a 1992 MAA video compilation by John Emert, Robert Brinkley, and Jerry Cole at Ball State University.