Is fight during launch from Mars depicted properly in Ad Astra?
In the movie Ad Astra there was fight in the rocket. When rockets stage detached one of the people smashed against the door. But most of the time it was look like they're in space already (no gravity), as if it would not in accelerating rocket, but it should.
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as if it would not in accelerating rocket, but it should.
I mean it looked like as it wasn't accelerating, thought it had to because they were flying from Mars surface to the orbit at the moment
Your comment does not prove that they were under constant acceleration. There is no need to keep accelerating. In space, your orbital movement is not just decided by the amount of acceleration, but also the location (in your orbit) that you are in while accelerating.
Once a sufficient suborbital trajectory is achieved, it's more efficient to coast (i.e. engines off) until you're at the apoaps (highest point), only to then accelerate up to orbital (and then escape) velocity.
Nowadays, constant burns are sometimes done because of engineering constraints, but in a Mars-inhabiting civilization you can assume there's been technological advancements since then.
I don't know the flight specifics, and I suspect neither do you. But the basis of your assumption that it "had to" be accelerating is not provably correct.
But most of the time it was look like they're in space already (no gravity)
Pedantry: there's still gravity, but any orbiting (or even suborbital) body not under acceleration is in free fall, which looks the same as being in zero gravity.
If I put you in a box and let that box fall straight down, you are "floating" in the box as if you're in space. In reality, you and the box are hurtling towards the Earth's surface, but you can "float" around the box because you are in free fall.
Therefore, it "looking like space" (as per your quote) actually proves that they are not under any acceleration (which supports my earlier point). What it doesn't prove is where they are (i.e. atmosphere, lower orbit, upper orbit, deep space).
When rockets stage detached one of the people smashed against the door.
Detachment uses small explosions to decouple the stages. It's perfectly possible that this decoupling jolts the craft enough to very briefly accelerate it - though I wouldn't put it past the movie makers to exaggerate this effect.
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How long was the journey in Ad Astra?
In James Gray's \u201cAd Astra,\u201d released just almost a year ago, Brad Pitt's Major Roy McBride is perceived as the ideal American patriot. He spent three years in the Arctic Circle, a combat zone. He excelled during his career with the U.S. military's Space Command (SpaceCom). His jawline could cut glass.How long did it take Roy to get to Neptune?
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