Answer:
9.375 km/h
Explanation:
192 - 3 minutes 12 seconds
500m - 0,5 kilometers
60 x 60 = 3600
3600:192=18.75
500 x 18.75 = 9375
9375 meters - 9.375 kilometers
2.6m/s
5.1m questions
6.7m answers