Trivia Teaser: Quick! What’s that number, again?

You are flying a Normal Category aircraft. During cruise, ATC informs you that moderate turbulence is to be expected in about 10 miles on your route of flight. You quickly try to remember what the maneuvering speed (Va) is for your aircraft, is but to no avail. On the placard in front of you, though, is written the stall speed, which is 50 knots. Which number would be closest to Va for your aircraft?
A) 75
B) 88
C) 100
D) 125

C. Maneuvering speed (Va) is generally speaking roughly two times the stall speed in a Normal Category aircraft. Therefore the Va would be about 100 knots. It’s a good rule of thumb to know.