didn't really get it but I think it's 2.38 m/s
Answer:
The speed at the first quarter checkpoint is
✔ 1.10 m/s.
The speed at the second quarter checkpoint is
✔ 1.93 m/s.
The speed at the third quarter checkpoint is
✔ 2.38 m/s.
The speed at the finish line is
✔ 2.82 m/s.
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