John Denker wrote:
| ,,,
| It is not required that the new word take over entirely from
| the old word. The new word will be of value even if it is
| only used temporarily, in emergencies, when it is necessary
| to emphasize the distinction between a change in speed and a
| change in velocity. . . .
I think this emphasis is easily provided in such circumstances by
referring to " the acceleration VECTOR".