Compare the kinetic energy of a 20,000-kg truck moving at 110 km/h with that of an 80.0-kg astronaut in orbit moving at 27,500 km/h. Astronaut's KE = 350 X Truck's KE Astronaut's KE = 550 X Truck's KE Astronaut's KE = 250 X Truck's KE Astronaut's KE = 450 X Truck's KE