A ball is thrown into the air from ground level with an initial velocity of $102$m$/$s$102$m$/$s$.$ The height, h$,$ of the ball $($in meters$)$ above the ground after t seconds is given by the equation h$($t$)=5$t$2+102$th$($t$)=5$t$2+102$t$.$ At what time does the ball hit the ground?