The velocity with which a projectile must be fired to escape from the earth does not depend upon

The velocity with which a projectile must be fired so that is escapes earth's gravitation does not depend on:

The velocity with which a projectile must be fired so that it escapes earth's gravitation, does not depend on ..........

The velocity with which a projectile must be fired so that it escape earth's gravitational does not depend on

The velocity with which a projectile must be fired so that it escapes Earth's gravitational does not depend on ...........

The drift velocity does not depend upon

The drift velocity does not depend upon

Deduce an expression for the minimum velocity with which a rocket must be fired to escape earth's gravitational field.