At 08:54 29 June 2007, Chris Reed wrote:

Of course, much depends on what you mean by overspeeding.
2kt over max
winch is within the margin of error. 20kt over is far
too much to live
with all the way to the top.

Debatable safety considerations aside, there's no benefit
in fast winch launches anyway- there's just increased
drag and therefore reduced final height, along with
the possible distraction and discomfort of excessive
acceleration at the beginning.