JEE Main Physics question

A thin metal disc of radius 0.25 m and mass 2 kg starts from rest and rolls down an inclined plane. If its rotational kinetic energy is 4 J at the foot of the inclined plane, then its linear velocity at the same point is

• (A)1.2 ms⁻¹
• (B) ms⁻¹Correct
• (C)20 ms⁻¹
• (D)2 ms⁻¹