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A point moves with uniform acceleration and v1, v2, v3 denote average velocities in three successive intervals of time t1, t2, t3. Which of the following is correct?

A(v1-v2):(v2-v3) = (t1+t2):(t2+t3)

Bv1-v2 = v2-v3

C(v1-v2) = (t1-t2)

DNone of these