Every year the world's greatest athletes compete in events that crown a champion. In baseball, it's the World Series. In football, it's the Super Bowl. In soccer, it's the World Cup. For auto-racing athletes, it's the Indianapolis 500. Every May, drivers from all over the world come to race in the Indy 500. They push themselves and their cars for 200 laps at more than 200 miles per hour. These men and women take sharp turns, fly down straightaways,...