A rectangular channel has a width of 2 {~m}, is made of unfinished concrete, and is inclined at a slope of 0.0014. Find the volumetric flow when the depth of flow of the water is 1.5 {~m}.
a. 0.002 m³/s
b. 0.003 m³/s
c. 0.001 m³/s
d. 0.004 m³/s