A pendulum bob has a speed of 3 m/s while passing throughits lowest position, the speed of the bob when it makes an angle of $$60^\circ$$ with the vertical is: (Assume g = 10 m/sec$$^2$$ and Length of pendulum is 0.5 m):

A

1 m/s

B

1.5 m/s

C

1.75 m/s

D

2.0 m/s