Water is moving at a velocity of 2.3 m/s in a 4.5 m wide, 1.5 m deep channel having a bed slope of 0.001. The roughness coefficient n=0.013. What is the distance downstream will the depth be decreased to 1.17 meters? Select one: O a 202.30 m O b. 180.75 m O c. 325.15 m O d. 150.25 m