Answer
The forward rate will be faster.
Work Step by Step
Since $Br_2$ is a product, removing it will cause the reaction to shift right by Le Chatlier's Principle. Thus, the forward rate will be faster.
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.