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# Comparing Average Rates of Change

APCALC-XBG4MW

A man is riding his bicycle along a straight road away from his house. His distance from his starting point is recorded at various times in the table below.

Over which interval does the man have the highest average speed?

Time (s) 1.0 2.5 4.0 5.5 7.0 8.5
Distance (ft) 10 25 38 52 69 81
A

$(1,4)$

B

$(2.5,5.5)$

C

$(1,7)$

D

$(2.5,7)$