MeteorDown: Wait time between thread start

meteorDown.run({
  concurrency: 10,
  url: "http://localhost:3000",
  key: 'YOUR_SUPER_SECRET_KEY',
  auth: {userIds: ['JydhwL4cCRWvt3TiY', 'bg9MZZwFSf8EsFJM4']}
})

Is it possible to invoke the connections with a delay?