An Astronaut Goes Out for a "Space-Walk" at a Distance $\sqrt { 2 }$

Multiple Choice

An astronaut goes out for a "space-walk" at a distance above the earth equal to the radius of the earth.What is her free-fall acceleration at that point?

A) zero
B) g
C) g/2
D) g/4
E) g/ $\sqrt { 2 }$