headshot

local start = Vector3.new(-5, 10, -5)
local duration = 2
local waittime = 5
while task.wait(waittime) do
 local s = os.clock()
 local p = Instance.new("Part", script)
 p.Size = Vector3.new(1, 1, 1)
 p.Shape = "Ball"
 p.Position = start
 local head = owner.Character.Head
 local f = head.Position
 local dv =  f-start
 local g = workspace.Gravity
 local d = os.clock() - s
 local vel = ((f + head.Velocity*(duration+d)-start)/duration + Vector3.new(0, g/2 * duration, 0))*p.Mass
 p:ApplyImpulse(vel)
 local at1 = Instance.new("Attachment", p)
 at1.Position = Vector3.new(.5, 0, .5)
 local at2 = Instance.new("Attachment", p)
 at2.Position = Vector3.new(-.5, 0, .5)
 local trail = Instance.new("Trail", p)
 trail.Attachment0 = at1
 trail.Attachment1 = at2
 trail.Lifetime = duration+.2
end