Astar of mass 3 × 1030 kg is located at < 6 × 1012, 2 × 1012, 0> m. a planet of mass 6 × 1024 kg is located at < 4 × 1012, 4 × 1012, 0> m and is moving with a velocity of < 0.6 × 104, 1.1 × 104, 0> m/s. (a) during a time interval of 1 × 106 seconds, what is the change in the planet's velocity?