2002 explorer limited tranny prob

[v8limited30]

2002 explorer limited
v8 auto
91,200 miles

Hi guys, have a problem tranny seems to do fine except when you go to stop you apply the brakes and it's like the thing slams into first gear like it's going to throw you threw the front glass Havent seen any other post on this no check engine light thank you in advance

Chris

 

[v8limited30]

Come on guys nobody heard of this before I need some advise someone has hade to have this problem before very hard downsifts

 

[v8limited30]

ok so I bought this thing at auction and finally drove it I cant tell if it slips from 1st to 2nd or if its just a slow shift and it has a hard downshift or some kind of a bump not as bad as the guy was telling me but you can hear it and feel it can someone please help ?