In calm weather, raindrops fall vertically. In this case, along what trajectory will drops flow down the glass of the tram

In calm weather, raindrops fall vertically. In this case, along what trajectory will drops flow down the glass of the tram when it is stationary? Will their trajectory change if the tram moves?

On the windows of a moving tram, the trajectory of the drops will change, it will be an inclined line.

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