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$\bm{1.0}$ second after being launched, the ball's height above ground is $\bm{4.8}$ meters.
$\bm{4.8}$ seconds after being launched, the ball's height above ground is $\bm{1.0}$ meter.
The ball was launched from an initial height of $\bm{1.0}$ meter with an initial velocity of $\bm{4.8}$ meters per second.
The ball was launched from an initial height of $\bm{4.8}$ meters with an initial velocity of $\bm{1.0}$ meter per second.