For example, Haas, the sport’s only American team, enters the Miami Grand Prix on Sunday with 15 points from the first four Grands Prix, more than it scored in the previous two seasons combined. The rules introduced this season by the F.I.A., the sport’s governing body, represent “the biggest aerodynamic overhaul in 40 years,” said Paul Monaghan, the chief engineer at Red Bull Racing. A Formula 1 car is like a plane in reverse. While a plane uses its wings to generate lift, a force pulling the plane up, a Formula 1 car uses its wings to produce downforce, which pushes the car toward the ground, increasing grip and allowing it to turn more easily at higher speeds