What Is the Escape Velocity from the Moon for a Lunar

Multiple Choice

What is the escape velocity from the moon for a lunar landing module sitting on the moon's surface? Hints: V_e= square root of (2GM/r) ; the mass of the moon is 7.2*10²² kg; its radius is 1738 km; G = 6.67*10 ^{- 11} N m² kg ^{- 2}

A) 2.3 m/s
B) 23 m/s
C) 2.3 km/s
D) 23 km/s
E) 11 km/s