The relation between escape velocity and orbit velocity is
ve = $\sqrt{2v}_{orb}$
ve = $\dfrac{1}{\sqrt{2}}v_{orb}$
ve = $2v_{orb}$
ve = $\sqrt{3}v_{orb}$
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A geostationary satellite is orbiting the earth at a height of 6R above the surface of the earth, R being the radius of the earth. The time period of another satellite at a height of 2.5 R from the surface of earth is