Maya is an astronaut, floating in space. Their rocket is powered by throwing rocks out of a hole in the back of a spaceship. The total inertia of Maya and their rocket is 368 kg. Maya also has two 25kg rocks on board. They are initially at rest. Maya throws the first rock, and then they are moving with a velocity of 15 m/s. Then Maya throws the second rock and they are now moving with a velocity of 39 m/s. What is the velocity of the first rock Maya threw moving through space? What is the velocity of the second?

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