Implemented speed of sound estimation
Implemented speed of sound estimation

Uses an approximation from Bohn, Dennis A. "Environmental effects on the speed of sound."
and the Antonine approximation for water vapor pressure.

thetransformerr/beagle-sonic,thetransformerr/beagle-sonic,Visaoni/beagle-sonic-anemometer,thetransformerr/beagle-sonic,Visaoni/beagle-sonic-anemometer,thetransformerr/beagle-sonic,Visaoni/beagle-sonic-anemometer