...and as long as the altitude from which this body started its freefall is sufficient for it to reach Vt (a few hundred feet, but can't be bothered to work it out now), anything extra is meaningless. In fact, once it's reached Vt, it will start to slow down again as it enters denser air - increased drag and greater buoyancy. Simples!
Does that help you out, Tourist? You did know where to start, but sometimes it's just too much trouble, isn't it.