Heatseeker!!? Maybe!!😉😉

local p = game.Players.LocalPlayer
local c = getconnections(p.Character.Humanoid:GetPropertyChangedSignal("WalkSpeed"))

for i,v in pairs(c) do
    v:Disable()
end

while true do
  local walkSpeed = 27

  local gmt = getrawmetatable(game)
  setreadonly(gmt, false)
  local oldindex = gmt.__index
  gmt.__index = newcclosure(function(self,b)
  if b == "WalkSpeed" then
  return 16
  end
  return oldindex(self,b)
  end)

  game:GetService("Players").LocalPlayer.Character.Humanoid.WalkSpeed = walkSpeed

  wait(0.5)

  local walkSpeed = 10

  local gmt = getrawmetatable(game)
  setreadonly(gmt, false)
  local oldindex = gmt.__index
  gmt.__index = newcclosure(function(self,b)
  if b == "WalkSpeed" then
  return 16
  end
  return oldindex(self,b)
  end)

  game:GetService("Players").LocalPlayer.Character.Humanoid.WalkSpeed = walkSpeed

wait(1)

end