Speedometer kmph and mph

local player = game.Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()

-- UI Setup
local screenGui = Instance.new("ScreenGui", player:WaitForChild("PlayerGui"))
local speedLabel = Instance.new("TextLabel", screenGui)
local uiGradient = .(, speedLabel)
 uiCorner = .(, speedLabel)
 uiStroke = .(, speedLabel)

speedLabel.Size = .(, , , )
speedLabel.Position = .(, -, , )
speedLabel.BackgroundColor3 = .(, , )
speedLabel.TextColor3 = .(, , )
speedLabel.Font = .Font.GothamBold
speedLabel.TextSize = 
speedLabel.Text = 
speedLabel.Active = 
speedLabel.Draggable = 


uiGradient.Color = ColorSequence.{
    ColorSequenceKeypoint.(, .(, , )),
    ColorSequenceKeypoint.(, .(, , ))
}
uiGradient.Rotation = 

uiCorner.CornerRadius = .(, )

uiStroke.Thickness = 
uiStroke.Color = .(, , )


 lastPosition = character.HumanoidRootPart.Position
 speedHistory = {}
 historySize =  

  ()
     total = 
     _, speed  (speedHistory) 
        total = total + speed
    
     total / #speedHistory



  
     currentPosition = character.HumanoidRootPart.Position
     distance = (currentPosition - lastPosition).Magnitude
     speedInStudsPerSecond = distance
     speedInKmph = .(speedInStudsPerSecond * )
     speedInMph = .(speedInStudsPerSecond * )

    
     speedInKmph ==  
        speedHistory = {}
    

    .(speedHistory, speedInKmph)
     #speedHistory > historySize 
        .(speedHistory, )
    

     smoothedSpeed = .(())

    speedLabel.Text = .(, smoothedSpeed, .(smoothedSpeed * ))

    lastPosition = currentPosition
    ()