An athlete is running a 5-km race at an average speed of 8 km/h. She has to stop to tie her shoe. After tying her shoe, she continues running at 8 km/h. Why
would her average speed for the entire race be less than 8 km/h?
The total distance she traveled was
longer than 5 km.
The total distance she traveled was
shorter than 5 km.
The total time she took to complete
O the race increased because she
stopped.
The total time she took to complete
O the race decreased because she
stopped.