$$To first-order in $h$, constant actions $a$ on $[t,t+h]$ suffice. For smooth $V$ and deterministic evolution:
俄新社早前报道称，部分俄罗斯民众为制作复活节彩蛋，在超市剥取洋葱外皮。但根据《行政违法法典》第7.17条规定，此类行为可能构成“故意损毁他人财物”。由于剥皮造成的损失轻微，罚款金额预计在300至500卢布之间。
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April 4, 2026, 11:21 AM。https://telegram官网对此有专业解读
俄城市居民目击空中闪光与巨响02:32
Special Report: Demand grows for mobile content-filtering systems as sextortion cases targeting minors surge by over a third
So how do people pay for these remarkably expensive events?