On a circular track, a motorcycle starts from point X and a truck starts from point Y, which is 500 m ahead of X in the direction of motion. The speed of the motorcycle is 20 m/s and that of the truck is 8 m/s. If the length of the track is 2.2 km, how much distance will the motorcycle have travelled when it overtakes the truck for the first time?

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**Steps:**

1. Compute relative speed: $v_{rel}=20-8=12$ m/s.
2. Time to overtake: $t=\frac{500}{12}$ s.
3. Distance by motorcycle: $s=20t=20\cdot\frac{500}{12}=\frac{2500}{3}$ m (about 833.33 m).

FINAL_ANSWER: d

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