Answer:
Remi (but barely)
Explanation:
6 minutes & 30 seconds is 370 seconds total.
Divide that by 2, now you have 185 seconds per lap.
9 minutes & 6 seconds is 546 seconds total.
Divide that by 3, now you have 182 seconds per lap.
Remi's average lap time is 3 seconds faster than Jack's.
Hope this helped. :)