A solid wooden object turned on a lathe has a length of $50$ cm and diameters $($measured in cm$)$ shown in the figure. $($A lathe is a tool that spins and cuts a block of wood so that it has circular cross sections.$)$ Use left Riemann sums to estimate the volume of the object. $50$ cm $44\mathrm{.}66\mathrm{.}836\mathrm{.}412814\mathrm{.}01252142\mathrm{.}01$ The approximate volume of the object. use $6$ intervals