A 975-kg two-stage rocket is traveling at a speed of 5.80 x 103 m/s with respect to

Question:

A 975-kg two-stage rocket is traveling at a speed of 5.80 x 103 m/s with respect to Earth when pre-designed explosion separates the rocket into two sections of equal mass that then move at a speed of 2.20 x 103 m/s relative to each other along the original line of motion.
(a) What are the speed and direction of each section (relative to Earth) after the explosion?