Circular and Satellite Motion - Mission CG8 Detailed Help

A satellite is orbiting the Earth at a constant speed and a constant altitude above the Earth. The best words which could be used to describe the motion of the Earth-orbiting satellite is to say that the satellite is _____. List all that apply ... .

 
Definition of a Satellite:
A satellite is an object that is orbiting some central body as a result of the sole influence of the gravitational attraction towards that body's mass.
A satellite is an object that is under the sole influence of gravity. In this sense, a satellite is a free-falling object. Due to the influence of the force of gravity, a satellite which is orbiting Earth is accelerating towards the Earth at all times during its orbit.