abstract:In the context of classical theories of gravitation, the speed of gravity is the speed at which changes in a gravitational field propagate. This is the speed at which a change in the distribution of energy and momentum of matter results in subsequent alteration, at a distance, of the gravitational field which it produces.
Fire this rocket at such an angle and speed that it will slingshot thanks to gravity and end up orbiting the moon, the ultimate definition of a moving target.