The Displacement (In Feet) of a Certain Particle Moving in a Straight

Multiple Choice

The displacement (in feet) of a certain particle moving in a straight line is given by $s = \frac { t ^ { 3 } } { 8 }$
where $t$ is measured in seconds. Find the average velocity over the interval $[ 1,1.19 ]$ .
Round your answer to three decimal places.

A) $0.251$
B) $0.390$
C) $0.351$
D) $0.241$
E) $0.551$
F) $0.451$