It's one thing to make a flip book you can control with your hands, or even go quickly past some small frames ... it is quite another to do it at a maximum filming speed of 120mph with boards as wide as five and a half feet across. It is a monumental task requiring precision and careful planning, and this is a story that scratches the surface of the calculations we made to bring Forza Motorsport 5 gameplay to life in the real world.