"Ultimate Speed Machines" looks at the most advanced extreme machines on the planet, beginning with arguably the most sophisticated of them all, the human being. Watch track champion and 200m world record holder Michael Johnson in action and take a look at a new British bike made of carbon fiber that promises to smash all speed records. This exciting program also looks at the fastest downhill skier, free faller, fastest boats, trains, cars, motorcycles and aircraft, making it a must for all speed lovers!