Use yard calculations for meters

Non-English locales use meters instead of yards for game units.

README.md

@@ -5,8 +5,4 @@ Displays your current or maximum movement speed in a small standalone frame or v
 ### **Usage**
 - /speedy - Opens configuration window
 
-Absolute units are based on the following assumptions:
-
-- Base running speed is 7 yards per second.
-- 1 yard = 0.9144 meters.
-- 1 mile = 1760 yards.
+Absolute units are based on the assumption that base running speed is 7 meters or yards per second. Meters and yards are used interchangibly across different locales, and so are treated as the same distance for purposes of the calculations in this addon.

SpeedyGonzales.lua

@@ -25,7 +25,7 @@ local unitData = {
 	{
 		key = "kilometers",
 		label = "Kilometers per hour",
-		func = function(n) return floor(n * 9.144 * 3.6 + 0.01) / 10 end,
+		func = function(n) return floor(n * 10 * 3.6 + 0.01) / 10 end,
 		display = " km/h",
 		extraWidth = 8,
 	},
@@ -38,7 +38,7 @@ local unitData = {
 	{
 		key = "meters",
 		label = "Meters per second",
-		func = function(n) return floor(n * 9.144 + 0.01) / 10 end,
+		func = function(n) return floor(n * 10 + 0.01) / 10 end,
 		display = " m/s",
 	},
 	{
@@ -202,7 +202,7 @@ local options = {
 		type = Settings.VarType.String,
 		defaultValue = defaults.units,
 		label = "Units",
-		tooltip = "Selects the unit by which to represent speed.",
+		tooltip = "Selects the unit by which to represent speed. Meters and yards are treated as the same unit.",
 		options = function()
 			local container = Settings.CreateControlTextContainer()
 			for i, option in ipairs(unitData) do