2/6<3/6
If you want it to be easier, simplify both.
2/6 simplified is 1/4 and 3/6 simplified is 1/2.
I am going to assume meters per second (or meters divided by seconds).
change 2 minutes 10 sec to seconds
2 × 60 + 10 = 120 + 10 = 130 seconds
now divide 800 by 130 for your answer
800 ÷ 130 = 6.15 m/s (meters per second)
It is so memorable because the author uses a lot of descriptive words like how someone feels, smells, or sees things.