Four cars, A, B, C and D, move from rest in a straight line. The cars take the same time to accelerate to a velocity of $60km{h^{ - 1}}$. Their velocity–time graphs are shown.
Which car reaches a velocity of $60km{h^{ - 1}}$ in the shortest distance?

1 )
A
2 )
B
3 )
C
D
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