The rope shown in figure is wound around a cylinder of mass 4 kg and moment of inertia 0.02 ${\mathrm{kgm}}^2$ about the cylinder axis. If the cylinder
rolls without slipping, then the linear acceleration of its centre of mass is

• A

  6.7 ${\text{m/s}}^2$

• B

  10.0 ${\text{m/s}}^2$

• C

  3.3 ${\text{m/s}}^2$

• D

  none of the above