EXS 24 Logic Sampler Users Group

Hi, I recently created a new exs instrument using vocal samples on the
first layer (group 1) of velocities between 0-63, I then saved the
instrument, re-opened the instrument editor and added a second layer
(group 2) of velocities between 64-125, when i try to edit them by
hitting the "e" button in the zone for a group two layer sound, the
playback is super fast - alvin & the chipmunks style. the thing is,
the keynote is just where it should be "c1". why isn't this playing
back at regular speed so I can hear it and edit it??! Many thanks,

Pete