Please choose the correct answer to the question: Which best describes the speed of a ball as it is thrown straight up into the air and comes back down?

Answer1: The ball goes up at a constant speed, stops, then comes down at a constant speed. Answer2: The ball goes up at a constant speed, stops, and increases speed as it comes down. Answer3: The ball goes slower and slower as it goes up, stops, and then goes faster and faster as it comes down. Answer4: The ball goes slower and slower as it goes up, stops, and then comes down at a constant speed.

Answer format: answer1/answer2/answer3/answer4