Kingda Ka is the worlds tallest roller coaster at 127 m above ground. The coasters mass is 1000 kg, what would the velocity of the coaster be at the bottom of the drop.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.