Kids @ Discovery
Speed!DVD - 2011
Breaking the sound barrier with the world's fastest land speed record of mach 1.007, approximately 775 mph, now that's speed! Experiencing G-force on a roller coaster, normally felt while flying in an F-18 fighter jet, that's quick. A cheetah that was clocked at 105 mph, and the world's fastest man is shown in this fast-paced episode.