Answer
$y=128 ft/s$
Work Step by Step
$y=32x$, where x is the number of seconds that have passed.
$y=32(4)$
$y=128 ft/s$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.