bugfix: arrhythmic knife speed (#5695)

* fix

* Update holy_weapons.dm

* Update holy_weapons.dm

code/game/objects/items/weapons/holy_weapons.dm

@@ -472,22 +472,29 @@
 	pickup_sound = 'sound/items/handling/knife_pickup.ogg'
 	drop_sound = 'sound/items/handling/knife_drop.ogg'
 	attack_verb = list("attacked", "slashed", "stabbed", "sliced", "torn", "ripped", "diced", "cut")
+	var/mob/living/carbon/wielder
 
 /obj/item/nullrod/tribal_knife/New()
 	..()
 	START_PROCESSING(SSobj, src)
 
 /obj/item/nullrod/tribal_knife/Destroy()
 	STOP_PROCESSING(SSobj, src)
+	wielder = null
 	return ..()
 
 /obj/item/nullrod/tribal_knife/process()
 	slowdown = rand(-2, 2)
 	if(iscarbon(loc))
-		var/mob/living/carbon/wielder = loc
+		wielder = loc
 		if(wielder.is_in_hands(src))
 			wielder.update_equipment_speed_mods()
 
+/obj/item/nullrod/tribal_knife/dropped(mob/user, slot, silent = FALSE)
+	slowdown = 0
+	user.update_equipment_speed_mods()
+	. = ..()
+
 /obj/item/nullrod/pitchfork
 	name = "unholy pitchfork"
 	icon_state = "pitchfork0"