To infer why Dre is smirking in the passage, we can consider a few clues. First, the context of the scene suggests that Jamal is experiencing a chaotic moment with the jet pack, indicating that he may be struggling or failing in some way. The phrase “I don’t know what’s up and what’s down. I’m totally out of control!” illustrates that Jamal is in a vulnerable and humorous predicament.
Dre's smirk can be interpreted as a reaction to Jamal's awkwardness and the comedic nature of the situation. Given their relationship, it’s likely that Dre finds amusement in Jamal's struggle as it highlights a light-hearted, competitive or playful dynamic between them. Instead of offering help or sympathy, Dre's smirk suggests that he enjoys watching Jamal's misadventure, perhaps seeing it as a funny moment rather than a serious one.
In summary, Dre is smirking because he finds Jamal's chaotic experience with the jet pack amusing, reflecting their playful friendship and the light-hearted tone of the situation.