In a previous article, don findlay said:
plane that worries me. And the "sticks". If there was a stick
problem to get up off the ground, there would surely have been one
coming down, ..yes?/ No?

Something that slows you down is a problem when you're taking off. When
landing, not so much.


--
Paul Tomblin http://blog.xcski.com/
"Integration by parts -- a very powerful technique."
Teaching by intimidation -- also a very powerful technique.
-- Logan Shaw, quoting Chuck Odle, his Calculus teacher