Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?
The ball goes up at a constant speed, stops, then comes down at a constant speed. The ball goes up at a constant speed, stops, and increases speed as it comes down. The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down. The ball goes slower and slower as it goes up, stops, and then comes down at a constant speed.