[SamBam]

Actually a constant horizontal velocity will make a straight vertical line of droplets under the jug. This is because the drops will have the same horizontal velocity as the jug.

You can see that here: https://demonstrations.wolfram.com/TrajectoryOfABomb/

At any time, the first bomb is always directly under the plane. This means all subsequent bombs will also be under the plane.

[s1artibartfast]

That's true. In the zero acceleration case you get a vertical straight line. If you have acceleration or deceleration equal to G, you get a straight angled line. If you have any acceleration or deceleration that doesn't match G, you get a curve