The newest preview version added a slider to change the panorama scroll speed. However, the panorama scroll is still artifically bound to the screen animations toggle, despite the new slider supposedly adding full control over it.
Additionally, the panorama scroll speed may be a good fit for the accessibility section.
This is may be related to MCPE-191245 which was incorrectly closed as “Works As Intended” because the reader likely misunderstood the report.