A car on a test track accelerates from 0 ft/s to 208 ft/s in 8 seconds. The car’s velocity is given in the table below:
$\begin{array} { | c | c | c | c | c | c | c | c | c | c | }
\hline t ( s ) & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \
\hline v ( t ) ( f t / s ) & 0 & 18 & 47 & 77 & 104 & 132 & 163 & 184 & 208 \
\hline
\end{array}$
-On what time interval does the car have the greatest average acceleration?
A)[0, 1]
B)[1, 2]
C)[2, 3]
D)[3, 4]
E)[4, 5]
F)[5, 6]
G)[6, 7]
H)[7, 8]

Question

A car on a test track accelerates from 0 ft/s to 208 ft/s in 8 seconds. The car’s velocity is given in the table below:
$\begin{array} { | c | c | c | c | c | c | c | c | c | c | } 
\hline t ( s ) & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \
\hline v ( t ) ( f t / s ) & 0 & 18 & 47 & 77 & 104 & 132 & 163 & 184 & 208 \
\hline
\end{array}$
-On what time interval does the car have the greatest average acceleration?
A)[0, 1]
B)[1, 2]
C)[2, 3]
D)[3, 4]
E)[4, 5]
F)[5, 6]
G)[6, 7]
H)[7, 8]

Quizplus · Accepted Answer

The greatest average acceleration is between 5 and 6 seconds, calculated as (163 - 132) / (6 - 5) = 31 ft/s².

A Car on a Test Track Accelerates from 0 Ft/s