Which of the statements below is the most accurate statement about flow rate and flow time? Group of answer choices flow rate is the time to process a set of flow units, while flow time is the average time those flow units are in the system. flow rate is the number of flow units per time unit (e.g., an hour) and flow time is the total time for those flow units to finish flow rate is the time that a set of flow units sits in a queue, while flow time is the average time the units are in a system. Flow rate is the number of flow units going through a system per unit of time, while flow time is the average time for a flow unit to enter and then leave a system