A sphere of mass 2 kg and radius 0.5 m is rolling with an initial speed of 1 m s$$^{-1}$$ goes up an inclined plane which makes an angle of 30° with the horizontal plane, without slipping. How low will the sphere take to return to the starting point $$A$$?

A

0.60 s

B

0.52 s

C

0.56 s

D

0.80 s