Speed Control

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")
local Lighting = game:GetService("Lighting")

local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local defaultWalkSpeed = 16

local TWEEN_INFO = TweenInfo.new(0.5, Enum.EasingStyle.Quart, Enum.EasingDirection.Out)
local BLUR_SIZE = 24
local UI_HEIGHT = 155 

local SpeedController = {}
SpeedController.__index = SpeedController

function SpeedController.new()
    local self = setmetatable({}, SpeedController)
    self.isEnabled = true
    self.targetSpeed = defaultWalkSpeed
    self.connection = nil
    return self
end

function SpeedController:Start()
    self.connection = RunService.RenderStepped:Connect(function()
        if self.isEnabled and humanoid and humanoid.Parent then
            if humanoid.WalkSpeed ~= self.targetSpeed then
                humanoid.WalkSpeed = self.targetSpeed
            end
        end
    end)
end

function SpeedController:SetSpeed(value)
    self.targetSpeed = tonumber(value) or defaultWalkSpeed
end