To convert millimeters to centimeters, you divide by 10, since there are 10 millimeters in a centimeter.
Given: 52,520 mm/s
Conversion: \[ 52,520 \text{ mm/s} \div 10 = 5,252 \text{ cm/s} \]
So, 52,520 millimeters per second is equal to 5,252 centimeters per second.