Roblox | Baldi zesty bar script

lp = game.Players.LocalPlayer
char = lp.Character
tool = Instance.new("Tool",lp.Backpack)
tool.Name = "Energy Flavored Zesty Bar"
tool.ToolTip = "Be careful, sometimes it has too many energy..."
handle = Instance.new("Part",tool)
handle.Name = "Handle"
handle.Size = Vector3.new(1,1,2)
handle.BrickColor = BrickColor.new("Dirt brown")
tool.Activated:connect(function()
tool:Destroy()
hum = char.Humanoid
hum.WalkSpeed = 100
for i=1, 84 do
wait(0.1)
hum.WalkSpeed = hum.WalkSpeed - 1
end
end)