Could someone please integrate this

$\displaystyle

V = \pi \int_{10}^{10 - h} 81 - \frac{81 y^2}{476.55} \, dy

$I keep trying but seem to be getting it wrong. It's a volumes of revolution question where the x and y axis have been swapped. THANKS. please show working. the idea is to have h=... THANKS AGAIN!!