Two Small Objects, with Masses M and M, Are Originally

Multiple Choice

Two small objects, with masses m and M, are originally a distance r apart, and the gravitational force on each one has magnitude F. The second object has its mass changed to 2M, and the
Distance is changed to r/4. What is the magnitude of the new gravitational force?

A) 16F
B) 32F
C) F/16
D) F/32
E) 2F