Revert "Add cal of speed, Temp and Volume class"

This reverts commit 506908edaf96d2564d4d2a3a6fb60e5cde7b3198.
Revert "Revert "Add cal of speed, Temp and Volume class""

This reverts commit 525a80bab4d6b7a465f04bc3561bc152faa29976.
Revert "Add cal of speed, Temp and Volume class"

This reverts commit 506908edaf96d2564d4d2a3a6fb60e5cde7b3198.