A particle is attached by a light string of length 3 a to a fixed point and describes a horizontal circle of radius a with uniform angular velocity `omega` If, when the particle is moving in this manner, is suddenly stopped and then let go,find its velocity when the string is vertical in its subsequent motion :

Options

A. `[2ga(3-2sqrt(2))]^(1//2)`
B. `2ga(3-2sqrt(2))`
C. `ga(3-2sqrt(2))`
D. `(2ga)/(3-2sqrt(2))`

Answer

A