Micheal Sheetz on Twitter: Terran 1 will not make it to orbit. Looks like the second stage engine sputtered out around T+3 minutes into launch. But the rocket made it past Max Q, which was one of the primary objectives of the launch
Rocket launches and "Max Q". What does it mean, and why does it matter? The next MarsLog has arrived! Enjoy: 'Rocket Physics, the Hard Way: Max q and Bernoulli’s Principle'