The other question, while rarely rehearsed, I agree the MAX SPD is dynamic.
Assuming Slats stuck just little extended (<1)
the landing conf is S=0,25/F=3 ..... max spd 185
> > > retract one step above max spd -10kt and get S=0,25/F=2 ..... max spd 200
> > > retract one step above max spd -10kt and get S=0,25/F=1 ..... max spd 215
> > > retract one step above max spd -10kt and get S=0,25/F=0 a.k.a. "select clean configuration" = with flap lever at "0" ..... max spd 230
and fly the diversion at 230 -10 kt.