A planet moving along an elliptical orbit is closest to the sun at a distance r1 and farthest away at a distance of r2. If V1 and V2 are the linear velocities at these point respectively. Then the ration v1/v2 is :

r1/r2 (r1/r2)2 r2/r1 (r2/r1)2

r2/r1

Angular Momentum Conservation : V1r1 = V2r2