This article by Chris Meyer (Learning Modular) will provide you with excellent insight into the subject:
‘Linear versus Exponential VCAs & Envelopes’.

https://learningmodular.com/linear-versus-exponential/

Two very educational videos are also included.

'On ne devrait jamais quitter Montauban' (Fernand Naudin).
https://soundcloud.com/petrus-major/tracks