The world’s largest freestanding escalator, which is located inside the CNN Center in Atlanta, Georgia, is 196 feet tall. Before visiting the escalator, Mary and Kenneth are discussing how fast they would like th escalator to rise.Mary wants the escalator to rise at 4 feet per second, and Kenneth wants the escalator to rise at 10 feet per second. Based on each persons desire, how long would it take the escalator to reach the top? Whose rate is safer? Explain