While the computer is running, the platters in a hard disk usually rotate at $\_\_\_\_,$ which allows nearly instant access to all tracks and sectors$.$

a$.5,400$ to $15,000$ revolutions per minute $($rpm$)$

b$.54$ to $150$ revolutions per minute $($rpm$)$

c$.5,400$ to $15,000$ revolutions per second $($rps$)$

d$.54$ to $150$ revolutions per hour $($rph$)$