The acceleration of a point on the rim of flywheel 1 m in diameter, if it makes 1200 revolutions per minute is

• A.  \[\text{87}{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]
• B.  \[\text{8}0\text{ }{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]
• C.  \[\text{8}00\text{ }{{\pi }^{\text{2}}}\text{ m}/{{\text{s}}^{\text{2}}}\]  
• D.  none of these