If a particle starts from rest and accelerates at the rate of 'a' m/s2, and if its velocity at the end of time t is equal to 'a' m/s then what will its velocity be (in m/s) at end of time '2t'?

If a particle starts from rest and accelerates at the rate of 'a' m/s2

1.	If a particle starts from rest and accelerates at the rate of 'a' m/s2, and if its velocity at the end of time t is equal to 'a' m/s then what will its velocity be (in m/s) at end of time '2t'?
A.	4a
B.	4a2
C.	2a
D.	2a2
Answer» D. 2a2

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If a particle starts from rest and accelerates at the rate of 'a' m/s2, and if its velocity at the end of time t is equal to 'a' m/s then what will its velocity be (in m/s) at end of time '2t'?

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