Since the rubber ball is bigger it will be attracting more force than the tennis ball. The tennis ball has a smaller range than the rubber ball because it is smaller.
I also chose this law cause we had just went to the museum so i knew alot about this.
The reason i chose this because it is easier to explain and is a simple law of motion.
This is newtons third law of motion. The space craft pushes off the floor when it launches. The engine builds enough power to push off the floor. When the engines push against the ground the ground pushes back on the space craft.