Answer:
He needs to throw the trash before he gets to the Trash can because he
needs some force for it to be able to go in because it he throw it after he passed it, it would not make it because your going a certain speed, and if you try to throw it when it is right in front of you, it will still miss because it is still going the same speed as the car.
Step-by-step explanation:
Hope that helps you :)