The speed of a train is 110 km/h. It is increased by 20% and then runs at uniform speed. The train driver sees the "Slow
Down' sign, so he reduces the speed of the train by 40% of the speed at that moment. What is the final speed (in km/h, correct to one decimal place) of the train?

A

69.2

B

75.5

C

66.5

D

79.2