It's not about being fast or slow but being in a flow. You don't want to go faster than you can or intently slow down. Unnecessarily long design cycles inhibits

It's not about being fast or slow but being in a flow. You don't want to go faster than you can or intently slow down. Unnecessarily long design cycles inhibits experimentation and may cause you to loose touch with reality. Artificial push for speed up is probably even more harmful. So I would vote for "flow movement".