Applied Force Time To Max Speed 50N 40sec 100N 20sec b. th 200N 10sec do fo check force, speed again. Remove the box and place a garbage can on top of the skateboard. Us partner's iPad, measure the amount of time it takes to reach maximum speed. Try this with a refr and a crate . Record your findings Object Refrigerator Time To Max Speed 50N 160sec 10ON 80sec 200N 9sec