According to the description of the spell:
Levitate allows you to move, move another creature or object.
go up and down as you wish. A creature must be ready to levitate,
and an object must be left unattended or possessed by a consenting creature.
You can mentally ask the recipient to go up or down to 20
feet each turn; this is a movement action. You can not move the
the recipient horizontally, but the recipient can escalate the face
from a cliff, for example, or push against a ceiling to move sideways
(usually at half its basic ground speed).
I understand that although the description indicates that you can not horizontally move something / someone / yourself through this spell, nothing prevents the object from moving horizontally with his own device.
So, let's imagine the following case:
A drow runs at its maximum speed and jumps over a cliff, thereby activating its levitation spell ability.
- Will the character's inertia make her move horizontally, while she will maintain her constant altitude (or go up or down) using Lévité carefully?
- If there is no obstacle, will she even stop?
- How does this compare to Fly? (Https://www.d20pfsrd.com/magic/all-spells/f/fly/)