The escape velocity of a body on the surface of the earth is `V_(e)`. What is the escape velocity on a planet whose radius is thrice the radius of the earth and whose mass is double the mass of the earth?
A. `sqrt((3)/(2))V_(e)`
B. `sqrt((2)/(3))Ve`
C. `(2)/(3)V_(e)`
D. `(sqrt(3))/(2)V_(e)`