Answer:
It helps us to determine the exact time needed for the process and we can mention the appropriate time when the work will be completed.
Step-by-step explanation:
As fast the motor speed as fast the results. Simply if we want the food processor to complete its task in the minimum time we needed to know it's maximum speed same as knowing the motor speed will help to know how fast the work should be done to complete on time. Also it will help to know how much work will be done per day.
It will help to know the time taken and the electricity used can be calculated by knowing the work. So there are multiple benefits which are solved indirectly just by knowing the speed.