C1939 Tertiary Propulsion

The experiment continued. It did not stop just because of everyone's nervousness.

The height of the rocket was still rising, but the temperature was also rapidly increasing!

2500...

2600...

2700...

Every 10 seconds, the temperature would rise by 100 degrees!

"Where's the rocket?" Qin Luo suddenly said.

A moment later, someone in the crowd replied: "The upper stratosphere