A and B take part in a 100 m race. A runs at 5 km/h. If A
A and B take part in a 100 m race. A runs at 5 km/h. If A starts after B runs 8 m,and wins the race by 8 seconds, the speed of B is
A4.15 km/ h
B4.14 km/ h
C4.25 km/ h
D4.41 km/ h
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