The Smaller the Curvature in a Bend of a Road

Multiple Choice

The smaller the curvature in a bend of a road, the faster a car can travel. Assume that the maximum speed around a turn is inversely proportional to the square root of the curvature. A car moving on the path (x and y are measured in miles) can safely go 25 miles per hour at . How fast can it go at ? Round your answer to two decimal places.

A) 259.31 mi/h
B) 149.71 mi/h
C) 119.77 mi/h
D) 75.30 mi/h
E) 299.42 mi/h