A Question for the Devs about Bloodlust and other Movement Speed Modifiers

The question is: do the increasing tiers of Bloodlust increase the killer's rate of acceleration proportionally to the increased maximum movement speed, or does Bloodlust just increase the maximum movement speed that a killer has?

Background:

So, Bloodlust supposedly increases the killer's movement speed incrementally based on its tiers, and was originally intended as a soft counter to looping.

But killers' movement speed is not generally an issue, when it comes to looping. It's the killer's acceleration rate that causes looping to be able to exist. For the moment, we are ignoring the slight difference in collision hitbox size between killers and survivors since it's practically negligible, of course (and that we know it exists because of fat shaming spots).

It doesn't matter how high the max speed cap of the killer is, when it comes to looping. The killer could have a maximum movement speed of 12 meters/second (3x normal movement speed), and when being looped, they would never get the chance to get near that movement speed, since constantly changing direction going around a loop forces he killer to have to keep accelerating in a direction that they currently are moving at 0 meters/second in (or to put it more accurately, in a direction that they do not have even a component of their current velocity vector, in).

If option 1 in the question is the correct answer, then Bloodlust helps to counter looping. If option 2 in the question is the correct answer, then Bloodlust does absolutely nothing to counter looping (save for the rare exception of helping slightly loops with extremely long, straight walls, such as when Rancid Abbatoir's timewaster window is open).

Conclusion and final question:

And now, thinking along these lines, I can't help but wonder which applies to the Hindered status effect, base killer movement speed decreases such as that of t1 Myers, the Nurse, the Huntress/Spirit/Legion/Hag/Doctor's Treatment Forme, base killer movement speed increases like lunging, the Wraith's post-uncloaking boost and cloaked speed, the Spirit's Haunting, and the Legion's Feral Frenzy.

So, substituting any and all of these options for 'Bloodlust' into the earlier question, which option is correct?