Temp

local model = Instance.new("Model", script)
local mass = 1
local force = 50
local g = workspace.Gravity
local radians = math.rad(45)

local unitX = math.cos(radians)
local unitY = math.sin(radians)

local vX = force * unitX
local vY = force * unitY

local lastPoint = nil

local function makePointAt(x, y)
    if lastPoint then
        lastPoint.BrickColor = BrickColor.new("Gray")
        lastPoint.Size = Vector3.new(1, 1, 1)
    end
    local point = Instance.new("Part")
    point.BrickColor = BrickColor.new("Bright green")
    point.Anchored = true
    point.TopSurface, point.BottomSurface = "Smooth", "Smooth"
    point.Shape = "Ball"
    point.Size = Vector3.new(2, 2, 2)
    point.Position = Vector3.new(x, y + 5, 0)
    point.Parent = model
    if lastPoint then
        print((lastPoint.Position - point.Position).magnitude)
    end
    lastPoint = point
end

for t = 0.05, 3, 0.05 do
    task.wait(0.05)
    local pX = 0 + vX * t
    local pY = 0 + vY * t - 1/2 * g * (t^2)
    makePointAt(pX, pY)
end