Final answer:
The recommended rate of chest compressions in CPR is 100 compressions per minute. This translates to approximately 1.7 compressions per second.
Step-by-step explanation:
When performing CPR, the recommended rate of chest compressions is 100 compressions per minute. This means that the CMA should do at least 100 compressions per minute. To calculate the compressions per second, divide 100 by 60 (the number of seconds in a minute). This equals approximately 1.7 compressions per second.