Riddle

What speeds on a track but isn't in a race and has a whistle to announce its steady pace?

Choose an answer

A.A race car
B.A trolley
C.A subway
D.A train
Hint: It's a 2-word phrase with 6 letters, starting with "A".

Answer

A train

Why this is the answer

A train runs along tracks at a steady speed and blows its whistle, without competing in any race.

This riddle is filed under Hard/Difficult Riddles and rated Easy.