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A shell of mass 5M, acted upon by no ex...

A shell of mass 5M, acted upon by no external force and initially at rest, bursts into three fragments of mass M, 2M and 2M respectively. The first two fragments move in opposite directions with velocity of magnitudes 2V and V respectively. The third fragment will

A

move with a velocity V in a direction perpendicular to the other two

B

move with a velocity 2V in the direction of velocity of the first fragment

C

be at rest

D

move with a velocity V in the direction of velocity of the second fragment

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