create rules for speed -3

combat.tex

@@ -70,9 +70,10 @@ It works exactly like the Combat \gls{skill} but only for unarmed attacks.
 
 \subsection{\Glsfmtlongpl{ap} \& Initiative}
 
-Everyone begins combat with 3 \glsentryfullpl{ap} plus their Speed Bonus.
+Everyone begins combat with 3 \glsentryfullpl{ap} plus their Speed Bonus.%
+\footnote{Anyone with a Speed Bonus of -3 can act on Initiative 0, but only once everyone else has reached Initiative 0.
+Those with a lower Initiatives must wait one cumulative round extra, before acting.}
 Every action requires spending some number of \glspl{ap}.
-
 Once someone reaches 0 \glspl{ap}, they cannot take normal actions -- only \glspl{quickaction}.
 Anyone overspending \glspl{ap} enters \emph{negative} \glspl{ap}, and receives a penalty to all actions equal to their negative score.