Solve
-A One- Way Street Passes Under an Overpass, Which $10.2 \mathrm{ft}$

Multiple Choice

Solve.
-A one- way street passes under an overpass, which is in the form of the top half of an ellipse, as shown in the figure. Suppose that a truck 34 feet wide passes directly under the overpass. What is the maximum possible height of this truck to the nearest tenth of a foot?

Not to scale

A) $10.2 \mathrm{ft}$
B) $9.4 \mathrm{ft}$
C) $13.6 \mathrm{ft}$
D) $6.8 \mathrm{ft}$