On Fri, 15 Sep 2006 02:16:58 +0200, Mxsmanic
wrote in :

Sometimes if one must
descend rapidly just idling the throttle doesn't seem to be enough to
stay below hazardous speeds,

In those situations, you can descend by flying slowly (slower than Vx)
on the other side of the knee in the curve, but you must remain above
stall speed.