Answer
e
Work Step by Step
We know the flow speed is inversely related to the square of the diameter. Thus, if the diameter is cut in half, the flow speed will be increased by a factor of 4.
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.