Two astronauts, of mass 105 kg and 119 kg are outside their spacecraft, floating in space. They push off from one another. The 105 kg astronaut moves to the right with a speed of 1.4 m/s. What is the velocity of the 119 kilogram astronaut?
a. 1.2 m/s to the right
b. 1.4 m/s to the left
c. 1.2 m/s to the left
d. 1.4 m/s to the right