A solid sphere is rolling on a frictionless surface, shown in figure with a translational velocity v m/s. If it is to climb the inclined surface then u should be :

• A

  $\ge \sqrt{\frac{10}{7}\mathrm{gh}}$

• B

  $>\sqrt{2\mathrm{gh}}$

• C

  2gh

• D

  $\frac{10}{7}\mathrm{gh}$