Is Rclone working with free GDrive accounts?

Yes, (using a generated key):

Execution:

DEBUG : rclone: Version "v1.47.0" starting with parameters ["RCLONE" "sync" "Gdrive_[redacted]:" "drive-local:[redacted]" "--filter-from" "[redacted]" "--config=[redacted]rclone.conf" "--stats-unit=bits" "--stats" "15s" "--stats-log-level" "DEBUG" "--fast-list" "--modify-window" "4s" "-vvv" "--log-file=[redacted].log"]

Log:

DEBUG : pacer: low level retry 1/10 (error googleapi: Error 403: User Rate Limit Exceeded. Rate of requests for user exceed configured project quota. You may consider re-evaluating expected per-user traffic to the API and adjust project quota limits accordingly. You may monitor aggregate quota usage and adjust limits in the API Console: https://console.developers.google.com/apis/api/drive.googleapis.com/quotas?project=241550263439, userRateLimitExceeded)
DEBUG : pacer: Rate limited, increasing sleep to 1.08786077s
DEBUG : pacer: low level retry 1/10 (error googleapi: Error 403: User Rate Limit Exceeded. Rate of requests for user exceed configured project quota. You may consider re-evaluating expected per-user traffic to the API and adjust project quota limits accordingly. You may monitor aggregate quota usage and adjust limits in the API Console: https://console.developers.google.com/apis/api/drive.googleapis.com/quotas?project=241550263439, userRateLimitExceeded)
DEBUG : pacer: Rate limited, increasing sleep to 2.452541287s
DEBUG : pacer: Reducing sleep to 0s
DEBUG : pacer: low level retry 1/10 (error googleapi: Error 403: User Rate Limit Exceeded. Rate of requests for user exceed configured project quota. You may consider re-evaluating expected per-user traffic to the API and adjust project quota limits accordingly. You may monitor aggregate quota usage and adjust limits in the API Console: https://console.developers.google.com/apis/api/drive.googleapis.com/quotas?project=241550263439, userRateLimitExceeded)
DEBUG : pacer: Rate limited, increasing sleep to 1.904305382s
DEBUG : pacer: low level retry 1/10 (error googleapi: Error 403: User Rate Limit Exceeded. Rate of requests for user exceed configured project quota. You may consider re-evaluating expected per-user traffic to the API and adjust project quota limits accordingly. You may monitor aggregate quota usage and adjust limits in the API Console: https://console.developers.google.com/apis/api/drive.googleapis.com/quotas?project=241550263439, userRateLimitExceeded)
DEBUG : pacer: Rate limited, increasing sleep to 2.176506998s
DEBUG : pacer: Reducing sleep to 0s
DEBUG : pacer: low level retry 2/10 (error googleapi: Error 403: User Rate Limit Exceeded. Rate of requests for user exceed configured project quota. You may consider re-evaluating expected per-user traffic to the API and adjust project quota limits accordingly. You may monitor aggregate quota usage and adjust limits in the API Console: https://console.developers.google.com/apis/api/drive.googleapis.com/quotas?project=241550263439, userRateLimitExceeded)

Seems in some way related to: