In 1923, the united states army (there was no united states air force at that time) set a record for in-flight refueling of airplanes. using two refueling planes, an airco dh-4b biplane was able to remain in flight for 37 h. during the flight, the refueling planes were able to air-transfer a total of 687 gallons of fuel to the plane in 9 refueling transfers. assume that the refueling nozzle had a diameter of 1.55 in and each refueling took 2.49 min to perform. calculate the velocity of the fuel through the nozzle. assume that the fuel filled the entire cross-sectional area of the nozzle.