How long does it take for the velocity of the rain drop to reach 99% of its terminal velocity? (assume the conditions from part (b). round your answer to two decimal

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

attach the statements so i can answer : )

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.