$56.$ Predict$/$Calculate Water flows at the rate of $3\mathrm{.}11$ kg$/$s through a hose with a diameter of $3\mathrm{.}22$ cm$.($a$)$ What is the speed of water in this hose? $($b$)$ If the hose is attached to a nozzle with a diameter of $0\mathrm{.}732$ cm$,$ what is the speed of water in the nozzle? $($c$)$ Is the number of kilograms per second flowing through the nozzle greater than, less than, or equal to $3\mathrm{.}11$ kg$/$s$?$ Explain.