Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. These are called geosynchronous orbits. The radius of the earth is 6.3710^6m, and the altitude of a geosynchronous orbit is 3.5810^7m. What is the speed of a satellite in a geosynchronous orbit? What is the magnitude of the acceleration of a satellite in a geosynchronous orbit?