You can't. As soon as you're below orbital velocity at the moon (or any other solid body), you're going to have to slow down quickly, or you'll just collide wit

You can't. As soon as you're below orbital velocity at the moon (or any other solid body), you're going to have to slow down quickly, or you'll just collide with it at near orbital velocity. No atmosphere on the moon either, so it'd have to be done with rockets.