Why don't skateboarders keep flying through the air when they launch off a ramp? * 3 points A. The force of gravity works against the skateboarders' inertia. B. Skateboard wheels don't spin fast enough to keep them moving very far. C. The skateboarders have no inertia when they launch off a ramp. D. Skateboards do not use Newtons to move around the ramps.