A hospital patient receives a quick 500-cc blood transfusion during a needle with a length of 5.0 cm and an inner diameter of 1.0 mm. If the blood bag is suspended 0.85 m above the height where the blood where the blood first starts to flow into the vein, how long does the transfusion take? (Neglect the viscosity of the blood flowing in the plastic tube among the bag and the needle)