A Comet Fragment of Mass 1

Multiple Choice

A comet fragment of mass 1.96 × 10¹³ kg is moving at 6.50 × 10⁴ m/s when it crashes into Callisto, a moon of Jupiter. The mass of Callisto is 1.08 × 10²³ kg. The collision is completely inelastic.
-How much kinetic energy was released in the collision?

A) 8.28 × 10²² J
B) 3.51 × 10²⁷ J
C) 7.02 × 10²⁷ J
D) 4.14 × 10²² J
E) 1.50 × 10¹³ J