Sometimes the difference between crossing the finishing line in a burst of glory or exploding in a fiery ball of destruction is the smallest design element. Indy Car SECRETS OF SPEED takes an insider's look at the design studios, testing facilities, and garages where the high precision vehicles of auto racing are built and modified, and then to the tracks where they are put to the ultimate test. Hear racing champions and their mechanics discuss speed from both a scientific and guttural perspective, offering intimate knowledge of life behind the wheel.