What Is the Speed of an Automobile Given in Miles

What is the speed of an automobile given in miles per second (miles/sec) that is traveling 80. kilometer per hour (km/hour) ?
(1 km = 0.621 miles; 1 hour = 60 min; 1 min = 60 sec)

A) 1.4×10 ^{- 2} miles/s
B) 3.6×10 ^{- 2} miles/s
C) 50 miles/s
D) 1.3×10² miles/s
E) 1.8×10⁵ miles/s