Accelerate Time

Choose a willing creature that you can see within range. Until the spell ends, the target’s Speed is increased by 25%, it gains a +1 bonus to Armor Class, it has Advantage on Dexterity saving throws, and it gains an additional action on each of its turns. 

When the spell ends, the target is Incapacitated and has a Speed of 0 until the end of its next turn, as a wave of lethargy washes over it.

each level over 1 adds 1 bonus to Armor Class, adds 5% to the Target's speed

Each level over 2 adds more 5% to the Target's speed