local MarketplaceService = game:GetService("MarketplaceService")

local Players = game:GetService("Players")

local passId = 4680408 -- change this to your game pass ID.

local function onPlayerAdded(player)
	local char = player.CharacterAdded:Wait()

    local hasPass = false

    hasPass = MarketplaceService:UserOwnsGamePassAsync(player.UserId, passId)

    if hasPass == true then
        char.Humanoid.WalkSpeed = 32

    end

end

Players.PlayerAdded:Connect(onPlayerAdded)