a roller coaster car rapidly picks up speed as it rolls down a slope. as it starts down the slope, it’s speed is 4 m/s. 3 seconds later, at the bottom of the slope, it’s speed is 22 m/s. find the acceleration

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.