Speed-Up!

From Author Wars - https://authorwars.com/books/speed-up-60723.html

Overview:

Title: Speed-Up!
Author: Christopher Anvil
Year: 1964
Type: Short Fiction

Variant Titles:

1964. Speed-Up

Editions/Publications:

Unknown. Amazing Stories, January 1964 (Unknown, Christopher Anvil, Ziff-Davis Publishing Company, $0.50, 132 pages, digest, MAGAZINE)
Unknown. Science Fiction Greats, Summer 1969 (Unknown, Christopher Anvil, Ultimate Publishing Co., Inc., $0.50, 132 pages, digest, MAGAZINE)