Answer :
Answer = 157.2 seconds
If 1 mile = 1609.34 metres
Speed he travelled at..in the 100 metres
100÷9.77 = 10.24 metres/second
Then time taken for 1 mile;
Distance/Speed travelled at.
Time taken = 1609.34 ÷ 10.24
Time = 157.2 seconds
Answer = 157.2 seconds
If 1 mile = 1609.34 metres
Speed he travelled at..in the 100 metres
100÷9.77 = 10.24 metres/second
Then time taken for 1 mile;
Distance/Speed travelled at.
Time taken = 1609.34 ÷ 10.24
Time = 157.2 seconds