A solid sphere of mass 2 kg and radius 0.5 m is rolling without slipping on a horizontal surface. The ratio of the rotational and translational kinetic energies of the sphere is

• A

  $3: 5$
• Correct answer
  B

  $2: 5$
• C

  $4: 5$
• D

  $7: 5$

Hence, the correct answer is option: 'B'.