Acceleration v2

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local player = Players.LocalPlayer

local function startClientAccel(char)
    local humanoid = char:WaitForChild("Humanoid")
    local hrp = char:WaitForChild("HumanoidRootPart")

    local speed = 0 -- i recommend u use 0.2 or 0.1, but i chose 0 since its universal
    local maxSpeed = 27 -- Change if u wanna :3
    local accel = 0.15 -- how fast it uhm accelerates
    local decel = 23 -- when u stop, this is the oppisite of accel
    local moving = false

    humanoid:():(()
        moving = humanoid.MoveDirection.Magnitude > 
    )

    RunService.RenderStepped:((dt)
          hrp   hrp.Parent   

         moving 
            speed = .(speed + accel * dt * , maxSpeed)
        
            speed = .(speed - decel * dt * , )
        

         speed >  
            
             moveDir = humanoid.MoveDirection
             moveDir.Magnitude >  
                 offset = moveDir.Unit * speed * dt
                hrp.CFrame = hrp.CFrame + offset
            
        
    )


 player.Character 
    (player.Character)


player.CharacterAdded:(startClientAccel)