I'm getting somewhere with researching (not fixing) this, I think.

The version of hildon-desktop in PR1.1.1 is 2.2.120-4. Source is at http://maemo.gitorious.org/fremantle...op/trees/PR1_1. TheChangeLog for this version was last updated November 30 2009.

The version of hildon-desktop in PR1.2 is 2.2.135-2 (according to http://wiki.maemo.org/Maemo_5/PR1.2#Updated_packages). It's trickier to tell on gitorious but I think the source for this is at http://maemo.gitorious.org/fremantle...ec6a7348073fd2. The ChangeLog for this version was last updated March 03 2010.

So we're looking for differences between November 30 2009 and March 03 2010.

Looking at the ChangeLog at http://maemo.gitorious.org/fremantle...ster/ChangeLog and searching for "scroll", I see a couple of likely candidates between those dates, namely:

Looking at the history of src/tidy/tidy-finger-scroll.c at http://maemo.gitorious.org/fremantle...inger-scroll.c we find the two changes, namely http://maemo.gitorious.org/fremantle...ode=sidebyside and http://maemo.gitorious.org/fremantle...ode=sidebyside

It looks like the deceleration was previously 0.99 in PR1.1.1, then changed to 0.85 in an unreleased version, and now in PR1.2 it is 0.90.

If anyone (Matan?) has the ability to recompile the PR1.2 branch of hildon-desktop with that number tweaked higher, ideally put into gconf so it can be tweaked by the user without having to recompile, that would be great.