Answer
$0.16$ mph
Work Step by Step
Plugging in $B=0$ into the formula we get: $0=1.69\sqrt{s+4.25}-3.55\\3.55=1.69\sqrt{s+4.25}\\2.1\approx \sqrt{s+4.25}\\4.41\approx s+4.25\\s\approx0.16$
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.