Clare is running around the track and her coach recorded her times at the end of laps 2, 4, 6, 8 and 10. Is Clare running at a constant pace and if so, what is the constant of proportionality (unit rate) Clare is running?




A.

Yes, Clare is running at 5 minutes per lap.


B.

No, Clare is not running at a constant rate because she gets slower as she runs more laps.


C.

Yes, Clare is running at a constant rate of 2.5 minutes per lap.


D.

No, Clare decided not to listen to her coach and decided to run faster each lap.