the number of file in this directory is higher than the one presented in the initial message. I have these:

03/12/2012 00:00 4,096 system.db
03/12/2012 00:25 399,360 pre.db
03/12/2012 00:06 398,336 pre.bckup
27/11/2012 08:52 1,731,584 mlg_history.db
29/11/2012 15:59 26,624 local_poi.db
02/12/2012 13:51 22,528 user_strings.db
02/12/2012 19:39 <DIR> temp
02/12/2012 21:42 3,072 RecentStops.db
01/12/2012 16:00 8,192 quick_search_list.db
12/05/2012 15:55 1,062 3805304218.lpt
27/11/2012 08:52 3,072 custom_where_to.db
12/05/2012 15:32 2,200,576 006D213000.db
12/05/2012 22:45 162,174,976 D317400.DB
03/12/2012 00:31 6,144 sms_info_list.db
27/11/2012 08:54 10,240 dashboards.db
30/11/2012 01:03 183,296 vsc.db
20/11/2012 09:00 3,072 mycamera.db
29/11/2012 14:59 2,048 recent_searches.db
30/11/2012 23:36 5,120 db_tracker.db
25/10/2012 00:38 34,897,920 D3413060A.db
19 File(s) 202,081,318 bytes
someone of them has a clear name and meaning, some other not.

do you think that in someone of them it is configured the speed per street, used when calculating the fastest track or the estimated arrival time? and if it is also possible to change them (i.e. I ususally go fastest than 90 km/h in principal streets)