A 1 kilogram object is travelling to the left at 3 meters per second when it explodes into 2 equal pieces. One piece is travelling at 7 meters per second to the left after the explosion. What is the velocity in meters per second of the other piece after the explosion?

W) 1 to the right

X) 1 to the left

Y) 4 to the right

Z) 4 to the left
W) 1 TO THE RIGHT