The speed of a runner increased steadily during the first three seconds of a race.

Question

Her speed at half-second intervals is given in the table. Find lower and upper estimates for the distance that she traveled during these three seconds.

_______ ft (smaller value)

_______ft (larger value)

t (s)	0	0.5	1.0	1.5	2.0	2.5	3.0
v (ft/s)	0	5.7	11.2	15.5	17.5	19.8	20

Answer 1

Use the Algebra 1 formula:

s = d / t