Hello Hara,
I will see if the developer is in a position to help with this inquiry, but we need to keep in mind that this software was provided to be a starting point for others to customize for their needs, not as an offer for software development services. The 60 kSPS was selected to provide a Nyquist zone of up to 30kHz, which is adequate for most applications for a sensor that resonates at 22kHz. While I can certainly see the value of the faster sample rate for shock capture, that was not the original intent for this package.
Best,
NevadaMark