Basic or theoretical capacity under ideal traffic and environmental conditions can be determined by the concept that the _____

• A. flow rate equals time divided by time headway; time headway equals distance divided by speed
• B. flow rate equals time multiplied to time headway; time headway equals distance divided by speed
• C. flow rate equals time multiplied to time headway; time headway equals distance multiplied to speed
• D. flow rate equals time added to time headway; time headway equals distance divided by speed