If the gravitational force between two objects were proportional to 1/R (and not as 1/R2) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to

If the gravitational force between two objects were proportional to 1/

1.	If the gravitational force between two objects were proportional to 1/R (and not as 1/R2) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to
A.	R0
B.	1/R2
C.	R
D.	1/R
Answer» B. 1/R2