Accelographies is a word that refers to the graphic representation of acceleration or changes in speed over time. The word is spelled with a double ‘c,’ which is pronounced as 'k'. The ‘e’ following the first ‘c’ is pronounced as 'eh'. The ‘o’ following it sounds like 'uh' and the 'g' is pronounced as 'j'. The remaining letters in the word are pronounced as they appear in IPA (æksɛlɒgriːz). Accelographies can be useful in many fields such as physics and automotive engineering to monitor changes in acceleration.