The first part of the free visual ballistics course is below:
Free Roulette System PART 1 - roulettephysics.com (link:://:.youtube.com/watch?v=WAezEcF4DlQ#)
There is a lot more to the free course, but you need to subscribe to it at link:://:.roulettephysics.com (link:://:.roulettephysics.com)