In a Binary Star System That Contains Stars with 2 $\bigodot$

In a binary star system that contains stars with 2 M _$\bigodot$ and 1 M _$\bigodot$ ,the velocity of the 2 M _$\bigodot$ star will be __________ times the velocity of the 1 M _$\bigodot$ star.

A) 0.2
B) 0.5
C) 1
D) 2