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

question 115

Multiple Choice

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's average acceleration most closely approximate the average acceleration for the entire 8-second run?

• A)[0, 1]
• B)[1, 2]
• C)[2, 3]
• D)[3, 4]
• E)[4, 5]
• F)[5, 6]
• G)[6, 7]
• H)[7, 8]

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