#### Answer

Please see the work below.

#### Work Step by Step

We know that during the first sign of turbulence during interval B, the apparent weight is greater than 5lb, hence the plane's acceleration is upward.

Chegg costs money, GradeSaver solutions are free!

Published by
Pearson

ISBN 10:
0321993721

ISBN 13:
978-0-32199-372-4

Please see the work below.

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.