Asanji stands at the edge of the top of a tall building and lobs a watermelon up into the air then proceeds to watch it fall to the street below (luckily it's empty because everybody is at
home). The equation below represents the height, off the ground in meters, of the
watermelon t seconds after Asanji has thrown it.
h = -4.91^2 + 8.9t + 20
Approximately, how long does it take the watermelon to hit the ground? Round to the
nearest tenth of a second.