A NASA airplane, affectionately nicknamed the \" "vomit comet" , simulates weightlessness for astronaut training and shooting zero gravity scenes in movies. To do this, the airplane travels in a part of a vertical circle. If the circle has a radius of 3.5 km, how fast should the airplane y for its passengers to feel weightless at the top of the path? 59 m/s 3430 m/s 357 m/s 185 m/s OOOO