If viscosity of air is taken into account, then the orbital velocity of the satellite moving close to earth

These orbital speed of satellite revolving very close to earth

What is the orbital velocity for a satellite orbiting close to the surface of earth?

Orbital velocity of earth satellite does not depend on:

If v_(0) be the orbital velocity of an articial satellite orbital velocity of the same satellite orbiting at an altitude equal to earth's radius is

If v_(0) be the orbital velocity of an articial satellite orbital velocity of the same satellite orbiting at an altitude equal to earth's radius is

If v_(e) is escape velocity and v_(0) , is orbital velocity of satellite for orbit close to the earth's surface. Then are related by