Three men push on a station wagon with a net force F, producing ... ...

  Three men push on a station wagon with a net force F, producing an acceleration. (Assume there is no friction.) If they push with the same net force on a compact car (with half the mass), the acceleration of the compact car is
(A) four times the acceleration of the station wagon.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 03. Laws of Motion