jungshun29 jungshun29 12-06-2024 Engineering Answered 5.6 A section of highway has a speed-flow relationshipof the formq=au² + buOkIt is known that at capacity (which is 3100 veh/h) thespace-mean speed of traffic is 28 mi/h Determine thespeed when the flow is 1500 veh/h and the free-flowspeed.