1. A ball dropped off a very tall ledge gravity accelerates the ball at -9.8 m a second squared how fast is the ball traveling after three seconds the answer is not 29.4 2. The Norway bobsled team hit the brakes on their sled so that it did celebrates at a uniform rate of 0.56 m a second squared how long does it take to stop if it travels 79 m before coming to rest? The answer is not 16.78. 3. Optimus jumps straight up into the air with a velocity of 19 m a second what is the displacement after 2.4 seconds he is subject to the acceleration due to gravity as soon as he leaves the ground. The answer is not 73.82 While walking on planet Y an astronaut decides to throw a ball up in the air with a velocity of 7 m a second it returns to their hand after seven seconds what is the acceleration due to gravity on planet Y? The answer is not two