Mesh's moving with AlignPosition as if it was welded

I am trying to make a simple shark that chases players and slowely speeds up. The best method I thought of is having AlignPosition set to the target player and slowely increase the MaxVelocity. The speeding up part of the shark works fine but I noticed that the shark stays with the target character no matter what even if the MaxVelocity is zero as you can see in the video. I thought it was an issue with them both having the same parent since it would make sense in this context but even after I parented the shark mesh to the workspace it still has the same behaviour. I also double checked the attachment position in the workspace and it is correctly in the NPC.

if conditionsToStartSharkChase then

     

                self._isSharkRoaming = false

                self._targetPlayer = closestPlayer

                self._a1 = Instance.new("Attachment")  

                self._a1.Parent = self._swimmersFolder[self._targetPlayer.Character:GetAttribute("SwimmerId")].HumanoidRootPart

                self._shark.AlignPosition.Attachment1 = self._a1

                local part = Instance.new("Part")

                part.Transparency = 1

                part.Size = Vector3.new(1, 1, 1)

                part.Position = self._postModel.SwimmerSpawnBoundry.Position

                part.CanCollide = false

                part.Parent = self._postModel

                self._a1OrientionPart = part

                self._a1Orientation = Instance.new("Attachment")

                self._a1Orientation.Parent = part

                self._shark.AlignOrientation.Attachment1 = self._a1Orientation

                self._shark.Anchored = false

                if tween ~= nil then

                    tween:Cancel()

                end

                if movementTween ~= nil then

                    movementTween:Cancel()

                end

                self._shark.AlignPosition.MaxVelocity = 0

                self._shark.AlignOrientation.MaxTorque = 10

                task.spawn(function()

                    while true do

                        task.wait(100)

                        if self._targetPlayer ~= nil then

                            self._shark.AlignPosition.MaxVelocity += 0.25

                            self._shark.AlignOrientation.MaxTorque += 5

                        end

                    end

                end)

            end

VIDEO EXAMPLE:

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