A skydiver jumps out of an airplane at an altitude of 3000 meters. Her height, as a function of time, is h(t) = 3300 - 54t-300e-0.18t where his in meters and this in seconds. Answer the following questions. All answers must be accurate to two decimal places with correct units. 1. What is her velocity at the instant when t = 6 seconds? 2. At what instant in time will her velocity be ?45 meters per second?